Table 3 Performance of the apex beat and electrocardiogram voltage criteria for the detection of left ventricular hypertrophy
Apex beat | Electrocardiogram | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Sustained or double apical impulse | Sokolow–Lyon voltage | Cornell voltage | |||||||
Whole (N=151) | Obese (N=50) | Non-obese (N=101) | Whole (N=151) | Obese (N=50) | Non-obese (N=101) | Whole (N=151) | Obese (N=50) | Non-obese (N=101) | |
Sensitivity | 56 | 56 | 56 | 53 | 50 | 56 | 56 | 56 | 56 |
Specificity | 91 | 91 | 90 | 79 | 85 | 76 | 92 | 85 | 95 |
PPV | 63 | 75 | 56 | 42 | 62 | 33 | 68 | 64 | 71 |
NPV | 88 | 82 | 90 | 85 | 78 | 89 | 88 | 81 | 91 |
